相关疑难解决方法(0)

如何在Scala中显示弹出窗口？我有一个"后门"但对我来说似乎很难看:

val item = new MenuItem(new Action("Say Hello") {
  def apply = println("Hello World");
})
//SO FAR SO GOOD, NOW FOR THE UGLY BIT!
val popup = new javax.swing.JPopupMenu
popup.add(item.peer)
popup.setVisible(true)